<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Quick Start</title>
  <script src="/js/spritejs.js"></script>
  <style>
    html,body {
      margin: 0;
      padding: 0;
      background: #201e1e;
      height: 100%;
      width: 100%;
      max-width: 800px;
    }

    #stage {
      display: inline-block;
      width: 100%;
      height: 0;
      padding-bottom: 100%;
      background: #201e1e;
    }  
  </style>
</head>
<body>
  <div id="stage"></div>
  <script>
  (async function () {
    const {Scene, Sprite} = spritejs;
    const container = document.getElementById('stage');
    const scene = new Scene({
      container,
      width: 1200,
      height: 1200,
    });
    await scene.preload([
      'https://p5.ssl.qhimg.com/t01f47a319aebf27174.png',
      'https://s3.ssl.qhres.com/static/a6a7509c33a290a6.json',
    ]);

    const bglayer = scene.layer('bg', {
      handleEvent: false,
    });

    const fglayer = scene.layer('fg', {
      handleEvent: false,
    });

    const center = [600, 640];

    const region = new Sprite();

    region.attr({
      anchor: 0.5,
      size: [920, 920],
      pos: center,
      bgcolor: '#f4f2e6',
      borderRadius: 120,
    });
    bglayer.append(region);

    const robot = new Sprite('guanguan1.png');
    robot.attr({
      anchor: [0.5, 1],
      pos: [280, 600],
      transformOrigin: [0, -300],
      scale: 0.4,
    });
    fglayer.append(robot);
    window.robot = robot;

    async function robotMotion() {
      await robot.animate([
        {texture: 'guanguan1.png'},
        {texture: 'guanguan2.png'},
        {texture: 'guanguan3.png'},
        {texture: 'guanguan1.png'},
        {texture: 'guanguan2.png'},
        {texture: 'guanguan3.png', scale: [-0.4, 0.4]},
        {texture: 'guanguan1.png', scale: [0.4, 0.4]},
      ], {
        duration: 3000,
        easing: 'step-end',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {y: 600},
        {y: 1280},
      ], {
        duration: 500,
        easing: 'ease-in',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {texture: 'guanguan1.png'},
        {texture: 'guanguan3.png', scale: [-0.4, 0.4]},
        {texture: 'guanguan1.png'},
        {texture: 'guanguan2.png'},
        {texture: 'guanguan3.png', scale: [0.4, 0.4]},
      ], {
        duration: 2000,
        easing: 'step-end',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {x: 280},
        {x: 940},
      ], {
        duration: 2000,
        easing: 'ease-in-out',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {rotate: 0},
        {rotate: -70},
      ], {
        duration: 1000,
        easing: 'ease-in-out',
        direction: 'alternate',
        iterations: 2,
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {texture: 'guanguan3.png'},
        {texture: 'guanguan1.png'},
        {texture: 'guanguan2.png'},
        {texture: 'guanguan1.png'},
        {texture: 'guanguan3.png'},
      ], {
        duration: 2500,
        easing: 'step-end',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {rotate: 0},
        {rotate: -70},
      ], {
        duration: 1000,
        easing: 'ease-in-out',
        direction: 'alternate',
        iterations: 2,
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {texture: 'guanguan3.png'},
        {texture: 'guanguan1.png'},
        {texture: 'guanguan2.png'},
        {texture: 'guanguan1.png'},
        {texture: 'guanguan3.png', scale: [-0.4, 0.4]},
      ], {
        duration: 2500,
        easing: 'step-end',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {x: 940},
        {x: 280, offset: 0.99, scale: [-0.4, 0.4]},
        {x: 280, scale: [0.4, 0.4]},
      ], {
        duration: 1000,
        easing: 'ease-in-out',
        fill: 'forwards',
      }).finished;

      await robot.animate([
        {x: 280, y: 1280, rotate: 0},
        {x: 940, y: 1280, rotate: 0, offset: 0.3},
        {x: 940, y: 1280, rotate: -90, offset: 0.35},
        {x: 940, y: 600, rotate: -90, offset: 0.65},
        {x: 940, y: 600, rotate: -180, offset: 0.7},
        {x: 280, y: 600, rotate: -180},
      ], {
        delay: 500,
        duration: 3500,
        easing: 'ease-in',
        fill: 'forwards',
      }).finished;

      robot.attr({
        texture: 'guanguan1.png',
      });

      await robot.animate([
        {y: 600, rotate: -180},
        {y: 600, rotate: 0},
      ], {
        delay: 1000,
        duration: 1000,
        fill: 'forwards',
      }).finished;
    }
    window.scene = scene;
    // noprotect
    while(1) {
      /* eslint-disable no-await-in-loop */
      await robotMotion();
      /* eslint-enable no-await-in-loop */
    }
  }());
  </script>
</body>
</html>